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研究生:彭天哲
研究生(外文):Tubagus Putra Wijaya
論文名稱:廢棄菇包在純氧與富氧條件下之燃燒特性
論文名稱(外文):Combustion Characteristics of Waste Shiitake Mushroom Compost under Oxyfuel and Oxy-enrich Condition
指導教授:趙怡欽
指導教授(外文):Chao, Yei-Chin
口試委員:陳冠邦伍芳嫺鄭藏勝
口試委員(外文):Chen, Guan-BangWu, Fang-HsienCheng, Tsarng-Sheng
口試日期:2021-12-29
學位類別:碩士
校院名稱:國立成功大學
系所名稱:航空太空工程學系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2021
畢業學年度:110
語文別:英文
論文頁數:50
外文關鍵詞:Oxyfuel combustionTG-analysisFT-IRSingle Pellet Combustion
相關次數:
  • 被引用被引用:0
  • 點閱點閱:162
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  • 下載下載:9
  • 收藏至我的研究室書目清單書目收藏:0
Oxyfuel combustion is one of the promising carbon captures for stationary combustion plants. In this works, the combustion characteristics of waste shiitake mushroom compost were compared under oxyfuel condition to Oxy-enrich and air with thermogravimetric analysis (TGA) coupled with fourier transform infrared spectroscopy. The ignition temperature, burnout temperature, C-index, and S-index of the fuel were estimated from TGA results. Kinetic parameter (Ea, A, and reaction order) were also estimated from TGA results using FWO and Coats-Redfern methods. The single pellet combustion was performed to simulate real combustion with high heating rates environment. The TGA results shows that there are 2 distinctive stages of degradation, the first stage is process of devolatilization of volatile matter and the second stage of degradation is process of oxidation of char and heavier compound of the fuel. Some reduction of combustion characteristics also observed when replacing carrier gas from N2 to CO2. Increasing the oxygen concentration of carrier gas at Oxy-enrich condition is more effective to improve the combustion characteristics compared to oxyfuel condition. Single pellet combustion results show prolonged of total burning time of WMC under CO2 environment and delayed of ignition time.
TABLE OF CONTENTS I
LIST OF TABLES III
LIST OF FIGURES IV
NOMENCLATURE VI
CHAPTER 1 INTRODUCTION 1
1-1 CLIMATE CHANGE AND GHG 1
1-2 OXYFUEL COMBUSTION 2
1-3 GLOBAL ENERGY DEMAND 3
1-4 WASTED MUSHROOM COMPOST 3
1-5 OBJECTIVE AND MOTIVATION 4
CHAPTER 2 LITERATURE REVIEW 5
2-1 COMBUSTION PARAMETER 5
2-2 KINETIC PARAMETER 5
2-3 COMBUSTION CHARACTERISTICS 8
2-4 GAS TO SOLID REACTION 8
CHAPTER 3 METHODOLOGY 10
3-1 SAMPLE PRETREATMENT 10
3-2 COMPOSITION ANALYSIS 10
3-3 EXPERIMENTAL SETUP 12
CHAPTER 4 RESULTS AND DISCUSSION 15
4-1 FUEL PROPERTIES 15
4-2 TGA ANALYSIS 15
4-3 COMBUSTION CHARACTERISTICS 20
4-4 KINETIC PARAMETER 21
4-5 SINGLE PELLET COMBUSTION 23
CHAPTER 5 CONCLUSION 26
REFERENCE 28
APPENDIX 30
TABLE 30
FIGURE 34
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